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  <title>Adds to a numeric key</title>

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</div><hr /><div id="tokyotyrant.add" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">TokyoTyrant::add</h1>
  <p class="verinfo">(PECL tokyo_tyrant &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">TokyoTyrant::add</span> &mdash; <span class="dc-title">Adds to a numeric key</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-tokyotyrant.add-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type"><a href="language.pseudo-types.html#language.types.number" class="type number">number</a></span> <span class="methodname"><strong>TokyoTyrant::add</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$key</code></span>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.number" class="type number">number</a></span> <code class="parameter">$increment</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$type</code><span class="initializer"> = 0</span></span>
  ] )</div>

  <p class="para rdfs-comment">
   Adds to an int or double value. This increments the value by the given amount
   and returns the new value. If the key does not exist a new key is created with
   initial value of the increment parameter.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-tokyotyrant.add-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">key</code></em></dt>

     <dd>

      <p class="para">
       The string key
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">increment</code></em></dt>

     <dd>

      <p class="para">
       The amount to increment
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">type</code></em></dt>

     <dd>

      <p class="para">
       <strong><code>TokyoTyrant::RDBREC_INT</code></strong> or <strong><code>TokyoTyrant::RDBREC_DBL</code></strong> constant.
       If this parameter is omitted the type is guessed from the <em><code class="parameter">increment</code></em>
       parameters type.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-tokyotyrant.add-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the new value on success
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-tokyotyrant.add-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2137">
    <p><strong>Example #1 <span class="methodname"><strong>TokyoTyrant::add()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$tt&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">TokyoTyrant</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">TokyoTyrant</span><span style="color: #007700">::</span><span style="color: #0000BB">RDBDEF_PORT</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">/*&nbsp;Adds&nbsp;integer&nbsp;3&nbsp;to&nbsp;key&nbsp;and&nbsp;creates&nbsp;a&nbsp;new&nbsp;key&nbsp;*/<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #DD0000">"test"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">3</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;String&nbsp;value&nbsp;is&nbsp;converted&nbsp;to&nbsp;double&nbsp;*/<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">$tt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #DD0000">"test"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"3.5"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">TokyoTyrant</span><span style="color: #007700">::</span><span style="color: #0000BB">RDBREC_DBL</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
6.5
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-tokyotyrant.add-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="tokyotyrant.put.html" class="methodname" rel="rdfs-seeAlso">TokyoTyrant::put()</a> - Puts values</span></li>
    <li class="member"><span class="methodname"><a href="tokyotyrant.putcat.html" class="methodname" rel="rdfs-seeAlso">TokyoTyrant::putcat()</a> - Concatenates to a record</span></li>
    <li class="member"><span class="methodname"><a href="tokyotyrant.putkeep.html" class="methodname" rel="rdfs-seeAlso">TokyoTyrant::putkeep()</a> - Puts a record</span></li>
   </ul>
  </p>
 </div>


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